Stylus pen



FIG. 1 is a top front right isometric view of a stylus pen showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof, wherein the right side elevation view is a mirror image of FIG. 3;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is an enlarged top plan view thereof; and,

FIG. 6 is an enlarged bottom plan view thereof. 

CLAIM The ornamental design for a stylus pen, as shown and described. 